• 

  亚瑟·克拉克

  Arthur C. Clarke

  饰：Himself

• 

  史蒂芬·霍金

  Stephen Hawking

  饰：Himself (uncredited)

• 

  本华·曼德博

  Benoît B. Mandelbrot

  饰：Himself (uncredited)

• 

  Ian Stewart

  Ian Stewart

  饰：Himself (uncredited)